Sigma ROX 4.0 Endurance

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Product details

For extensive cycling adventures: The ROX 4.0 Endurance supports you with its extra-long battery life, smart navigation features with re-routing, and user-friendliness on your bike tour, ensuring you reach your destination safely—even if you suddenly decide to take a different route than originally planned. The large display reliably shows navigation cues and data such as elevation profile, speed, distance, and training time. You can also easily pair your ROX 4.0 Endurance with your e-bike and external sensors.

Key specifications

Velocomputer functions
Barometric altimeter, Cadence measurement, Heart rate measurement, Speed measurement
Localisation technology
GLONASS, GPS
Transmission standard
ANT+
Signal transmission
Wireless

General information

Item number
56396689
Manufacturer
Sigma
Category
Bike computers
Manufacturer No.
727138
Release date
14.3.2025
Sales rank in Category Bike computers
33 of 204

Colour

Colour
Black
Exact colour description
Black

Bike computer properties

Velocomputer functions
Barometric altimeter, Cadence measurement, Heart rate measurement, Speed measurement
Durability
Waterproof
Protection type (IP code)
IPX7
Localisation technology
GLONASS, GPS

Display properties

Display size (inches)
2.40"

Interface

Transmission standard
ANT+
PC/Smartphone interface
Bluetooth
Signal transmission
Wireless

Data storage properties

Storage capacity
100 MB

Battery properties

Battery type
LiPo
Battery life
41 h

Mounting

Installation location
Bike handlebar

Origin

Country of origin
France

Voluntary climate contribution

CO₂ emissions
1.27 kg
Climate contribution
CHF 0.11

Scope of delivery

Scope of delivery
Cadence sensor, OVERCLAMP BUTLER bracket, R1 DUO Comfortex+ heart rate monitor, Short manual, Speed sensor, USB-C charging cable

Product dimensions

Length
7.36 cm
Width
4.49 cm
Height
1.84 cm
Weight
51 g

Package dimensions

Length
17.80 cm
Width
11.60 cm
Height
6.70 cm
Weight
289 g

30-day right of return
24 Months Warranty (Bring-in)
1 additional offer

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Bike computers» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Sigma
    Not enough data
  • 1.Coros
    0.2 %
  • 2.Bryton
    1 %
  • 3.Cycplus
    1.2 %
  • 4.Garmin
    1.6 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Sigma
    Not enough data
  • 1.Cycplus
    0 days
  • 1.Sigma Sport
    0 days
  • 3.Wahoo
    2 days
  • 4.Garmin
    5 days

Return rate

How often is a product of this brand in the «Bike computers» category returned?

Source: Digitec Galaxus
  • Sigma
    Not enough data
  • 1.CatEye
    1.2 %
  • 2.Hammerhead
    1.8 %
  • 3.Beeline
    2.2 %
  • 3.Sigma Sport
    2.2 %
Source: Digitec Galaxus